Emergency light



FIG. 1 is a top right rear perspective view of an emergency light;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is another perspective view thereof, shown in a position of use.

The broken lines illustrate environmental structure that form no part of the claimed design. 

CLAIM The ornamental design for an emergency light, as shown and described. 